Abstract

This article demonstrates how the measurement of electrical conductivity can be used to check for the presence of the corrosion inhibitors IKB-2 and IKB-2-2 in jet fuel. An analysis was made of results obtained in measurements of the electrical conductivity of fuel samples taken at refineries and also at the points of use, over a four-year period. A comparison of the data shows that during the time the fuel is in the supply system until it reaches the consumer, its conductivity may either decrease because of the adsorption of polar compounds on the container surface or increase because of the entry of various contaminants during transportation, pumping and storage. The conductivity of fuels may change in storage as a result of adsorption of corrosion inhibitor on the surface of the container. The fuel conductivity decreases as the storage time is extended. It is recommended that fuel samples drawn as a check on the entry of IKB corrosion inhibitors into the fuel should be stored in colorless or green glass bottles for a period no longer than 2 h. Includes 3 tables.

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